Android GBA emulator

If you want to play GBA games on your android device  You can use several GBA emulators.  I'll  mention some of my favourites here in this post 

1. My Boy

2. My Boy (free)

3. John GBA emulator

4. John GBA emulator  (lite)

There are many more emulators available on google playstore .

You can search for 'gba emulators' .